/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.zengqingfa.shardingDemo.spidemo;

import org.apache.shardingsphere.spi.keygen.ShardingKeyGenerator;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Properties;
import java.util.concurrent.atomic.AtomicLong;

/**
 * MyKey key generator.
 */
public final class MyKeyShardingKeyGenerator implements ShardingKeyGenerator {

    private Properties properties = new Properties();
    private AtomicLong aLong = new AtomicLong(0);

    @Override
    public String getType() {
        return "MYKEY";
    }

    @Override
    public Properties getProperties() {
        return this.properties;
    }

    @Override
    public void setProperties(Properties properties) {
        this.properties = properties;
    }

    @Override
    public synchronized Comparable<?> generateKey() {
        LocalDateTime ldt = LocalDateTime.now();
        String s = DateTimeFormatter.ofPattern("yyyyMMddHHmmssSSS").format(ldt);
        return Long.parseLong("" + s + aLong.incrementAndGet());
    }


}
